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Installation manual

ManualsBrandsAPC Manualselectrical equipment & suppliesAIS 3000 20kVA 400V w/3 Batt. Modules Exp. To 4, Start-Up 5X8, Internal Maintenance Bypass
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AIS® 3000 & XR Battery Enclosure 10-40kVA, 400V, Operation Manual – 990-2259 29
Total-Power-Off Procedure
Set the DC disconnect switch on the XR Enclosure (if available) to the OFF position.
Remove all batteries from the system, or, alternatively, pull out all batteries to the red
disconnect line shown on the battery. To ensure solid stability, do not pull batteries out beyond
the red disconnect line unless completely removing them from the Enclosure.
Set the mains breaker to the OFF or LOCKED-OUT position. If the UPS has dual mains supply,
set both supplies to the OFF or LOCKED-OUT position.
WARNING!
Risk of electric shock - parts inside the UPS and XR Enclosure are energized from the
battery supply even when the AC power is disconnected. Before electrical installation
begins, follow the Total-Power-Off procedure to completely de-energize the system.
WARNING!
Correct lock-out procedures at mains breaker must be followed. If necessary, install a
padlock.
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ON
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XR Enclosure
UPS
Mains
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